Gjennomsnittlig GPS-koordinater for postnummer 811-4221: 33.855, 130.631
Notering byer:
>> Yamada 811-4221, Fukuokaken, Ongagun'Okagakimachi, GPS-koordinater: 33.8549,130.6314
Notering byer:
>> Yamada 811-4221, Fukuokaken, Ongagun'Okagakimachi, GPS-koordinater: 33.8549,130.6314